CN1243938C - Fruit chiller - Google Patents

Fruit chiller Download PDF

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Publication number
CN1243938C
CN1243938C CNB01800346XA CN01800346A CN1243938C CN 1243938 C CN1243938 C CN 1243938C CN B01800346X A CNB01800346X A CN B01800346XA CN 01800346 A CN01800346 A CN 01800346A CN 1243938 C CN1243938 C CN 1243938C
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CN
China
Prior art keywords
wall
cold air
housing
container
muffler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB01800346XA
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Chinese (zh)
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CN1363025A (en
Inventor
夏尔·J·柯西
乔治·A·克拉克
马克·S·汤姆森
道格拉斯·P·贡德拉赫
达恩·M·布鲁纳
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Delta T LLC
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Delta T LLC
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Publication of CN1363025A publication Critical patent/CN1363025A/en
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Publication of CN1243938C publication Critical patent/CN1243938C/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D9/00—Devices not associated with refrigerating machinery and not covered by groups F25D1/00 - F25D7/00; Combinations of devices covered by two or more of the groups F25D1/00 - F25D7/00
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/04—Freezing; Subsequent thawing; Cooling
    • A23B7/0425—Freezing; Subsequent thawing; Cooling the material not being transported through or in the apparatus, with or without shaping, e.g. in the form of powder, granules or flakes
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00—Preservation or chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36—Freezing; Subsequent thawing; Cooling
    • A23L3/363—Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in form of powder, granules, or flakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B21/00—Machines, plants or systems, using electric or magnetic effects
    • F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
    • F25B21/04—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect reversible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/04—Self-contained movable devices, e.g. domestic refrigerators specially adapted for storing deep-frozen articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
    • F25D2317/0651—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return through the bottom
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0661—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the bottom
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/067—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by air ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/068—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the fans
    • F25D2317/0681—Details thereof

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Zoology (AREA)
  • Nutrition Science (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Table Devices Or Equipment (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)

Abstract

A chiller (10) for fresh fruit and other perishable food products is cooled with a thermoelectric device (24) and includes a cool air recirculating system that minimizes air flow path lengths and provides uniform cool air distribution throughout a fruit container (13) removably supported above the thermoelectric module (24). The cooling air flow duct system is formed in part by the bottom wall of the container (16), thereby enhancing direct cooling air flow contact in minimizing the lengths of the flow paths.

Description

Fruit chiller
Technical field
The present invention relates to a kind of equipment that fresh fruit and other FF are refrigerated of being used for, relate in particular to a kind of fruit chiller of using the balanced top Peltier effect thermoelectric components, that have improvement.
Background technology
For many years, will be used as refrigeration/heating component according to the thermoelectric components of famous Peltier effect work always.This thermoelectric components comprises a series of semiconductor thermocouples, and they are electrically connected in series and thermally coupled in parallel.Semiconductor thermocouple is clipped between the metallized ceramic substrate.When providing direct current for thermoelectric components, thermoelectric components is as heat pump, and wherein heat is absorbed by cold side, thereby makes this side cooling, and heat spreads at opposite side, thereby the temperature here raises.Then the direction of heat flow is opposite to make current reversal.By being connected a radiator and a heat dump with cold side in corresponding hot side, thereby improve the efficient of thermoelectric components.
The Peltier effect assembly is used as refrigerator and/or heater for a long time always, so that the fresh or heated food of maintenance food is with edible.Having been found that also well-known is to force cross-ventilation, thereby helps the heat transmission.Usually use a little electric fan so that air circulation is passed heat dump, enters and pass food containers, and another fan makes ambient air pass radiator in case with heat from wherein diffusion.
Though prior art provides the refrigerator that is used for fresh fruit and other edible food, the market welcome degree of these equipment is restricted.The reason of their market failure is many-sided.One of them reason is exactly the cost and the heat transfer efficiency of solid thermoelectric components.In addition, this existing assembly is easily destroyed usually, and its mechanical strength is low.In addition, owing to require to make the cold air circulation so that obtain maximum cooling effectiveness, thus cause pipe-line system complicated, thus common cost by the plastic container for moulding is increased greatly.Simultaneously the air circulation path length also causes heat to scatter and disappear and pressure descends, and both all can lower efficiency or owing to need bigger thermoelectric components make the cost increase.
Summary of the invention
According to the present invention, a kind of refrigerator that is used for fresh fruit or other edible food is provided, it uses less relatively thermoelectric components by the container and the permission that comprise a low cost of manufacture, has also therefore optimized heat transfer efficiency thereby optimized flowing of cold air.Such as U.S. Patent application No.5, the thermoelectric components of the mechanical strength of 448,109 disclosed efficient with raising and improvement is particularly useful for fruit chiller of the present invention.
According to an aspect of the present invention, provide a kind of foodstuffs refrigerator, comprising:
A base for supporting, it comprises a housing, a temperature control equipment is arranged in housing, described temperature control equipment comprises a Peltier effect thermoelectric components that is placed between heat dump and the relative radiator, described housing has been determined a cooling pipe system that is open upwards, described cooling pipe system comprises a muffler, a cold air supply pipe and a recirculation line, and described recirculation line comprises that described heat dump and a cool air circulation fan are so that make air be recycled to described cold air supply pipe from described muffler;
One of them pipeline is set to along the outer circle wall of housing and extends, and another pipeline is placed in the above-mentioned pipeline and by a continuous partition wall and separates with an above-mentioned pipeline enclosure;
Described pipe-line system further comprises a cold air pipe import and a muffler outlet, and described recirculation line links to each other described import with described outlet; And
A food containers, it is supported on the housing, described container comprises the last closed side wall and the lower base wall that is positioned at described housing that are positioned on the described housing, described diapire and described recirculation line are spaced apart and constitute one of described pipe-line system sealing roof, on described diapire, be formed with the inlet hole that some and described cold air supply pipe communicates and some and described muffler communicates and along the outlet opening of described lower base wall center arrangement, described fan is positioned at the described base below the described lower base wall
According to a further aspect in the invention, provide a kind of foodstuffs refrigerator, comprising:
A housing, a refrigerating plant is arranged in housing, described refrigerating plant comprises a Peltier effect thermoelectric components that is placed between heat dump and the relative radiator, described housing has been determined a cooling pipe system that is open upwards, described cooling pipe system comprises a cold air supply pipe, described cold air supply pipe carries out heat exchange by a recirculation line and a muffler, described recirculation line comprise described heat dump and one by one cool air circulation fan so that make air be recycled to described cold air supply pipe from described muffler;
Described cold air supply pipe extends along the outer circle wall of the housing with circumferential edges, and muffler is arranged in the described cold air supply pipe and by a continuous partition wall and separates with described cold air supply pipe;
Described pipe-line system further comprises a cold air pipe import and a muffler outlet, and described recirculation line is communicated with described import and outlet; And
A food containers, it is supported on the upper periphery of housing, described container comprises the top closed side wall and the lower base wall that is positioned at the approximate horizontal of described circumferential edges that are positioned at described circumferential edges top, described diapire and described recirculation line are spaced apart and constitute one of described pipe-line system sealing roof, are formed with the inlet hole that some and described cold air supply pipe communicates and some and described muffler communicates and along the outlet opening of described lower base wall center arrangement on described diapire; Described fan is positioned at the described base below the described lower base wall.
Preferably, first Outer Tube comprises the cold air supply pipe and has the bottom closure wall of an approximate horizontal, and this bottom closure wall has constituted a public partition wall with recirculation line, and recirculation line is placed in the partition wall bottom.The cold air pipe import is positioned on the public partition wall and adjoins the outer circle wall of housing.The muffler outlet preferably also is positioned on the public partition wall.In a preferred embodiment, public partition wall is usually by horizontal setting and parallel with the lower base wall of container (lower base wall has also constituted the roof of pipe-line system, and opens with public partition wall perpendicular separation).
In an alternative embodiment of the present invention, the diapire of food containers comprises the central tower of a hollow, and it extends in container vertically upward.Central authorities' tower has some holes, can be cold air supply pipe inlet hole, or the muffler outlet opening.In this embodiment, the hole preferably have a kind of along tower ascent direction and pass that size increases.
In a present preferred embodiment, cooling pipe system has a bottom closure wall, and it has constituted a public partition wall with recirculation line, and recirculation line is positioned at the partition wall bottom.Cold air pipe import or the outlet of return-air road can be close to the outer circle wall of housing and be formed in the public partition wall.Have some inlet holes and outlet opening on the sealing roof of the pipeline that extends along the outer circle wall of housing, they comprise a kind of along with the increase of corresponding conduit entrance or outlet distance, the then pass that increases of the size in hole.Preferably, the cold air supply pipe is set up along the outer circle wall of housing.
Food containers can disassemble from housing, and is provided with an annular outer rim sealing ring between the lower edge of the closed side wall of the upper periphery of housing and container.Between the downside of the top edge of public partition wall and vessel bottom wall, be provided with an annular inner seal ring.Exterior seal ring links to each other with the upper periphery of housing, and inner seal ring links to each other with the downside of diapire.Perhaps, exterior seal ring and inner seal ring all are fixed on the vessel bottom wall.
In one embodiment, cold air pipe import or muffler outlet are positioned in the public horizontal subdivision wall and adjoin the outer circle wall of housing, and another outlet in them or import are formed on about central position of public partition wall.In another embodiment, some inlet holes and outlet opening are interdicted the solid wall part that is superimposed upon on cold air pipe import and the muffler outlet to determine respectively, so that cover cold air pipe import and muffler outlet and prevent entering of chip.
Container cuts out by a removable cap usually, thereby cold air recycles serially.But, in one embodiment, an extraneous air supply pipe communicates with recirculation line, and comprises a meter so that allow a certain amount of extraneous air to pass through, thereby helps to dispose from cooling pipe system the slaking byproduct of ethylene gas and other fruit.
In one embodiment of the invention, food containers comprises a central tower, an accesary foods dish, and its tower that removably is positioned at above the vessel bottom wall supports.Central authorities' tower preferably is tapered, thereby its diameter reduces along the direction that makes progress, and the accesary foods dish with center through hole is suitable for being placed on the central tower so that removably be supported on the central tower simultaneously.
In order to help to keep the internal temperature of container, can in container, insert a dismountable insulation casing.The shape of sleeve pipe matches with the inside of container closure sidewall.Dismountable lid also has an adiabatic liner.
In container, can settle dividing plate, so that container is divided into different temperature provinces by changing cold air mobile in each zone with various structures.This dividing plate can vertically be placed, so that extend upward from vessel bottom wall, and perhaps horizontal positioned and being connected on for example central tower or on the container side wall.
Description of drawings
Fig. 1 shows the perspective view of the general structure of fruit chiller of the present invention.
Fig. 2 shows the vertical cross section of the fruit chiller among Fig. 1.
Fig. 3 shows along the cutaway view of the 3-3 line of Fig. 2.
Fig. 4 shows along the top cross-sectional view of the fruit chiller container of 4-4 line among Fig. 2.
Fig. 5 shows along the side sectional view of 5-5 line among Fig. 2, and it shows the details of another embodiment of the present invention.
Fig. 6 shows the detailed cross sectional view at interface between container among Fig. 5 and the lid.
Fig. 7 shows the perspective view of fruit chiller according to another embodiment of the invention.
Fig. 8 shows along the vertical sectional view of 8-8 line among Fig. 7.
The specific embodiment
As shown in Figure 1, it shows a fruit chiller 10 according to an embodiment of the invention.This fruit chiller comprises a base for supporting 11, is used for refrigerator is supported on horizontal plane, and base comprises a housing 12 that holds various parts in the refrigeration system, will describe this refrigeration system in detail below.A removable reservoir 13 is placed on the upper periphery 14 of housing 12.Container comprises that is gone up a closed side wall 15, and it extends above housing periphery 14, and a lower base wall 16, and its approximate horizontal also is positioned within the housing periphery 14.Container 13 is sealed by a removable cap 17.The base 11, container 13 and the lid 17 that comprise housing 12 all can be formed by injection-moulding plastic.Base 11 is preferably opaque, and container 13 and lid 17 are preferably transparent.
With reference now to Fig. 2-4,, base 11 suitably is supported on the leg 18, so that make the base below have a unlimited space, thereby the cold air around making can enter.The interior below of base 11 is a surrounding air chamber 20 of roughly opening wide, and it is roughly determined by the base side wall 23 of base bottom wall 21, base upper wall 22 and sealing.Container 13 and its inner food cool off by a thermoelectric components 24 of using known Peltier effect.With particular reference to Fig. 3, thermoelectric components 24 is installed on the base upper wall 22 and also is placed in the plane of upper wall to approximate horizontal.According to general conventional construction, assembly 24 comprises row's semiconductor thermocouple 25, and they are clipped in up and down between the ceramic substrate 26,27, and have metal layer between substrate.By leading to direct current to assembly, thereby will be absorbed at a ceramic substrate side (being top ceramic substrate 26 in the present embodiment) heat, thereby make this substrate cooling, and will spread, thereby with this substrate heating at another substrate side (being bottom ceramic substrate 27 in the present embodiment) heat.According to prior art, upper substrate 26 links to each other with a heat dump 28 equally, and lower substrate 27 links to each other with a radiator 30.Heat dump 28 is manufactured from aluminium usually and comprises the fin 32 that a base plate 31 and series of parallel and tight spacing are opened.Equally, radiator 30 comprises that an aluminum base 33 and tight spacing are opened and parallel monoblock type fin 34.
The heat of the operating assembly 24 of being discharged by radiator 30 spreads by making surrounding air flow through surrounding air chamber 20.For the heat diffusion that promotes surrounding air flows, a radiator fan 35 is installed on the base bottom wall 21, be located immediately at the ambient air inlet 36 of fan bottom by one and surrounding air is sucked at this place's fan.From the surrounding air process fin 34 of fan 35, discharge air chamber 20 by the surrounding air outlet 37 that is positioned at base side wall 23 places then.An electric control element 40 also is positioned in the surrounding air chamber 20, and it is used for the power supply of control to thermoelectric components 24, radiator fan 35 and cold air fan (will be described).
The sidewall 23 of base extends upwardly to upper periphery 41, and described upper periphery links to each other with the upper periphery 14 of a vertically extending annular wall 42 by an annular horizontal shoulder 43, and annular wall 42 has also constituted the outer wall of cold air chamber 38.Cold air chamber generally comprises housing 12, and it is holding the system to container 13 supply cold airs.Container 13 is supported on the recessed horizontal shoulder 43 of upper periphery of housing 12.Container 13 comprises that is gone up a closed side wall 15, and the end of sidewall 15 is a lower edge 46, and it is positioned on the annular foam rubber sealing circle 47 of horizontal shoulder 43.Vessel bottom wall 16 forms with sidewall 15 and is positioned at sidewall 15, but it is positioned at the more top of sidewall lower limb 46.Periphery is sealed by the diapire 16 of container and the lower limb 46 of container side wall by the top of outer wall 42 determined cold air chamber 38.Vessel bottom wall 16 constitutes the roof of cooling pipe system 50.Cooling pipe system comprises a cool exterior air supply pipe 51, and its outer boundary walls 42 along housing is extended, and is sealed in inner radial by a continuous vertically arranged partition wall 52, and partition wall 52 has also constituted a public outer wall of inner muffler 53.The bottom of cooling pipe system 50 (comprising cold air supply pipe 51 and muffler 53) is generally sealed by bottom closure wall 54, and bottom closure wall 54 is horizontal-extending in annular outer wall 42.The bottom closure wall 54 of cooling pipe system 50 also is the upper wall of recirculation line 56, and recirculation line 56 is formed on the top of base upper wall 22 and seals its bottoms by base upper wall 22.
The foregoing vessel bottom wall 16 that has constituted cooling pipe system 50 upper walls comprises some inlet holes 57, and the cold air in the cold air supply pipe 51 enters the inside of container 13 by inlet hole 57.The horizontal inside of vessel bottom wall 16 has some outlet openings 58, and they make the cold air of internal tank return to cool off again.The top of vertical partition wall 52 has an annular foam rubber sealing circle 49 and is circulated to muffler 53 to prevent cold air suddenly from cold air supply pipe 51.The central authorities of bottom closure wall 54 have a cylindrical sleeve that is open upwards 60, and it is positioned at the central authorities of muffler.Cylindrical sleeve 60 has been determined a muffler outlet 61, and air is sucked so that make air pass through recirculation line 56 by heat sink fan 62 by this outlet 61.The bottom that the bottom of recirculation line 56 is positioned at recirculation line 56 by 22 sealings of upper wall and the thermoelectric components 24 of base.The blade 32 of heat dump extends in the recirculation line 56, and there, the recirculation air that is driven by heat sink fan 62 is cooled so that return in the cold air supply pipe 51.Cold air returns by a cold air pipe import 63, and cold air pipe import 63 is adjoined the outer wall of housing and is formed in the lower wall 54 of cooling pipe system.
Summarize so far described flow of cold air path, air in the container 13 is inhaled in the muffler by outlet opening 58, leave muffler 53 by muffler outlet 61, pass the heat sink fan 62 in the recirculation line 56, pass and make air cooled heat dump blade 32,, leave recirculation line and return in the cold air supply pipe 51 by cold air pipe import 63, be back in the container 13 by the inlet hole on the external peripheral surface of vessel bottom wall 16 57 at last.The feature of whole cooling pipe system 50 is that simple structure and flow path are short, and the flow equilibrium feature of the uniqueness that will describe below having.
Referring now to Fig. 4, because bring cold air the outer walls of the muffler outlet 61 of cold air supply pipe 51 near housing 12 1 ends, so cold air preferentially remains on this end, and the other end of cooled containers fully.For more even, cold air diffusion more effectively, the inlet hole 57 that is positioned at the outer circumference portion of vessel bottom wall 16 is shaped as: along with far away more with the distance of muffler outlet 61, then the size of inlet hole 57 is big more.Or, inlet hole 57 measure-alike, but form a line and along with the increase of muffler outlet distance, the density in hole increases.In this way, the air-flow that upwards flows through the hole 57 on the vessel bottom wall from cold air supply pipe 51 is more even, thereby the chilling temperature in the container is more even.
Should be noted that the cold air recirculation direction in the cooling pipe system 50 also will be opposite by making air-flow direction opposite.Equally, if opposite to the galvanic contact of thermoelectric components 24 supplies direction, then the heat pump effect of assembly will be opposite, thereby the inside of container can be heated.But it is not preferred function, and the device that is mainly used in heating or insulation preferably has some structural changes.
In order to prevent that fruit syrup, chip and other impurity from entering the bottom of cooling pipe system, taked some feasible makeshift.In vessel bottom wall 16, the profile of inlet hole 57 is interdicted above muffler outlet 61, thereby has determined a solid wall part 64.Equally, the profile of diapire outlet opening 58 be formed at cold-air duct import 63 on the cylindrical sleeves 60 directly over interdicted, thereby determine another solid wall part 65.By a vertical flange, thereby prevent fruit syrup, chip and similarly be arranged in cold air supply pipe 51 or the impurity of muffler 53 enters recirculation line 56 downwards that wherein vertical flanges constitutes muffler outlet 61 and upwardly extending cylindrical sleeves 60.
Known ripened fruit will be distributed the byproduct of ethylene gas and other organic decomposition.Hope is discharged these gas by the circulate cold air of changing frequently or termly in the container 13.With reference now to Fig. 5,, ambient air conduit 66 that comprises the minor diameter gauge line extends into the recirculation line 56 from the sidewall 23 of base, and there, a small amount of surrounding air is inhaled into by heat sink fan 62 and mixes with the cold air of recirculation.As shown in the figure, ambient air conduit 66 is opened wide in recirculation line 56, and opening is just at the upstream end of import to fan 62.But the phase letter catheter can link to each other with recirculation line 56 at another place in recirculation line 56.The inflow of surrounding air can be by being positioned at conduit 66 the pinch valve 59 of a choosing dress of entrance point be conditioned.Corresponding discharge for ethene and other gas by-product is preferably in and is provided with a small gap between container 13 and the lid 17.As being shown specifically among Fig. 6, a controllable slit like this can obtain by the little annular space 67 between the top 69 of the outward flange 70 of lid and container side wall 15.Horizontal support limit 68 on the lid is positioned at the top edge of container side wall, but can be raised by pressing in the container, thereby makes little air reveal, and passes through conduit 66 and the supplement ambient air.
In Fig. 7 and Fig. 8, show an alternative embodiment of the invention, it comprises the container 71 of a similar bowl-type, and comprises that the sidewall 72 of a taper, the end of this sidewall 72 are a generally flat diapire 73.Container 71 removably is supported on the base 74, the inside of base 74 comprises that a thermoelectric components, one are used for the ambient, cool air chamber of radiator and one and provide the cold-air duct system of circulate cold air to container, and they are all similar with embodiment described above.
In this embodiment, vessel bottom wall 73 comprises an all-in-one-piece hollow central tower 75, and it extends vertically upward in the container side wall 72 of sealing and extends into by one in dismountable bowl-type lid 76 determined spaces.Tower has some holes 77 that communicate with the inside of hollow, and described hole 77 can be used as the inlet hole of the air that will be cooled off again, perhaps returns the outlet of container hole as cold air, and this operative orientation according to heat sink fan 78 is decided, as described in last embodiment.Preferably, hole 77 comprises outlet opening, it allows the air in the container 71 to be back in the recirculation line 80 by fan 78, pass the blade 81 of heat dump 82, turn back by a muffler outlet 83, enter cold air supply pipe 84, cold air enters container again by an import 85 that is arranged in diapire 73 then.The inside of tower 75 comprises a muffler 86, and it is equivalent to the muffler 53 of Fig. 1-4 illustrated embodiment on function, but shape has very big difference.
The cold air that the application of central authorities' tower 75 has strengthened in the container distributes.By using a kind of outlet opening 77 that increases along with size, can obtain air stream more uniformly, thereby can the whole inside and the lid 76 of tower 75 be cooled off more uniformly with the increase of the distance of import 85.Another feature of this embodiment is that the inlet air flow path that shortens greatly and the outer wall of exposure do not have flow channel, and all these is different with prior art.Especially, the length overall of tower 75 is less than half of the circumferential length of the cheese refrigerator of the prior art that has flow channel at ectosphere wall place.
Central authorities' tower is reduced into the minor diameter of free upper end gradually by the major diameter of base position.Fruit or other food can be stored in the container 71, and container 71 is supported by diapire 73 and sidewall 72.In addition, the one or more plates that comprise the upper disc 88 of large diameter lower disc 87 and minor diameter removably are supported on the tower 75.Each dish comprises a center through hole 90, can have the surface engaged of same diameter with through hole on plate and tower sliding on the tower by hole 90 plates, is fixed in position at this place's plate.Preferably, through hole 90 is determined by conical sleeve 91, contacts and is supported by tower 75 so that increase the surface.
Dismountable plate 87 and 88 can also be used for the inside of container 71 is divided into different temperature provinces and/or provides the deadening effect so that change air flowing in each zone, thereby obtain refrigeration in various degree as cutting off.In this way, different types of fruit or other food with different best storage temperatures can be kept in the same container.In order to obtain a kind of like this separation, plate 87 and 88 can be by the solid member manufacturing that does not have pore, and the external diameter that can select plate perhaps can be used the tower with difform outlet opening 77 so that the restriction cold air upwards flows from inlet of cold air 85.Also can be separated as the fruit chiller 10 among the embodiment as described in Fig. 1-4, for example use the horizontal subdivision dish on the edge (not shown) suitably be supported on container inside wall 15, perhaps use positioned vertical and from the diapire 16 upwardly extending midfeather (not shown) of container.Difform inlet hole 57 and outlet opening 58 also can use in conjunction with these auxiliary inwalls.
The feature that another present embodiment has especially is to comprise an independent dismountable insulation casing 92, and its shape matches with the inner surface of container side wall 15, and extends to the edge bottom of lid 17 from diapire 16.The inside of lid 17 can also have an internal insulation layer 93, and it inserts in the lid separately behind molding.When in order to transport, to show or edible and after container promoted from base, insulation casing 92 and heat insulation layer 93 had been particularly useful aspect the cooled interior that keeps container.
As previously shown, electronic component 40 is used to control the power supply to thermoelectric components 24, radiator fan 35 and heat sink fan 62.To cause the heat flow direction opposite on the contrary because supply with the polarity of thermoelectric components 24 electric currents, it is the fruit insulation that the fruit chiller among any embodiment as described herein also can be used for, thereby promotes or increase maturation.
Some fruit are through being everlasting living or purchased during half ripe.An example is a banana, and it is purchased under the half ripe state of being everlasting, and can be ripe down in the open.By using an adjuster 40, make the user can change sense of current, thereby change the direction of heat flow, therefore can make the faster of living or semi-matured fruit maturation by insulation; After maturation, can provide cold air by changing sense of current to container 13 or 71 more simultaneously, thereby can make fruit preserve the longer time.
Generally speaking, temperature control is a good method of control fruit maturation and is the best way up to now.In sum, insulation can promote maturation that give birth to or half ripe fruit, but after maturation, and refrigeration is the existing biological maturation and make fruit preserve the best method of longer time of slowing down.
Electronic control component 40 also can be used a thermostat so that make the user regulate suitable cooling and/or heat levels.By this method, otherwise the user can for example select a fixing point with proper speed slaking fruit or select a cooling fixing point so that ripened fruit is remained under the chosen temperature, thereby make fruit delicious more.Also can use other coolings or heat preserving method, no matter, still control by the microprocessor of application programization by user's manual adjustment.

Claims (27)

1, a kind of foodstuffs refrigerator comprises:
A base for supporting, it comprises a housing, a temperature control equipment is arranged in housing, described temperature control equipment comprises a Peltier effect thermoelectric components that is placed between heat dump and the relative radiator, described housing has been determined a cooling pipe system that is open upwards, described cooling pipe system comprises a muffler, a cold air supply pipe and a recirculation line, and described recirculation line comprises that described heat dump and a cool air circulation fan are so that make air be recycled to described cold air supply pipe from described muffler;
One of them pipeline is set to along the outer circle wall of housing and extends, and another pipeline is placed in the above-mentioned pipeline and by a continuous partition wall and separates with an above-mentioned pipeline enclosure;
Described pipe-line system further comprises a cold air pipe import and a muffler outlet, and described recirculation line links to each other described import with described outlet; And
A food containers, it is supported on the housing, described container comprises the last closed side wall and the lower base wall that is positioned at described housing that are positioned on the described housing, described diapire and described recirculation line are spaced apart and constitute one of described pipe-line system sealing roof, on described diapire, be formed with the inlet hole that some and described cold air supply pipe communicates and some and described muffler communicates and along the outlet opening of described lower base wall center arrangement, described fan is positioned at the described base below the described lower base wall.
2, foodstuffs refrigerator as claimed in claim 1 is characterized in that, the outer circle wall of described housing comprises a upper periphery, and container support is on described upper periphery.
3, foodstuffs refrigerator as claimed in claim 1, it is characterized in that, a described pipeline comprises the cold air supply pipe, described cold air supply pipe has a bottom closure wall, it has constituted and a public partition wall that is positioned at following recirculation line, and described cold air pipe import is positioned at described public partition wall and adjoins the outer circle wall of housing.
4, foodstuffs refrigerator as claimed in claim 3 is characterized in that, described muffler outlet is positioned on the described public partition wall.
5, foodstuffs refrigerator as claimed in claim 1, it is characterized in that, further comprise the central tower of a hollow, it extends vertically upward from described diapire in the closed side wall of described container, and one of them in described some inlet holes and the outlet opening is formed in the described central tower.
6, foodstuffs refrigerator as claimed in claim 5 is characterized in that, one of them in described some inlet holes and the outlet opening comprises a kind of pass, and it increases the size in hole along the direction that makes progress towards the top from the bottom of described tower.
7, foodstuffs refrigerator as claimed in claim 5 is characterized in that, comprises the lid of a dismountable closed container, and the height of described tower is less than half of the internal height of container and lid.
8, foodstuffs refrigerator as claimed in claim 1, it is characterized in that, described pipe-line system comprises a bottom closure wall, it has constituted and a public partition wall that is positioned at the recirculation line below it, and one of them in described cold air pipe import and the muffler outlet is positioned on the described public partition wall and adjoins the outer circle wall of housing.
9, foodstuffs refrigerator as claimed in claim 8, it is characterized in that be mounted with some holes in the sealing roof of the pipeline that extends along the outer circle wall of housing, described hole comprises a kind of pass, this pass along with the increase of described conduit entrance and pipe outlet distance, the size in hole increases.
10, foodstuffs refrigerator as claimed in claim 9 is characterized in that, the pipeline that extends along the outer circle wall of housing comprises the cold air supply pipe.
11, foodstuffs refrigerator as claimed in claim 1, it is characterized in that, described food containers can be dismantled from housing, and comprise an annular outer rim sealing ring and an annular inner seal ring, wherein the outward flange sealing ring is between the lower edge of the upper periphery of the housing that is used for support vessels and container closure sidewall, and inner seal ring is between the downside of the upper periphery of public partition wall and vessel bottom wall.
12, foodstuffs refrigerator as claimed in claim 11 is characterized in that, described exterior seal ring and inner seal ring all are fixed on the container.
13, foodstuffs refrigerator as claimed in claim 8 is characterized in that, another in described cold air pipe import and the muffler outlet is positioned at the central authorities of described public partition wall.
14, foodstuffs refrigerator as claimed in claim 13, it is characterized in that, described some inlet holes and outlet opening are interdicted so that determine the solid wall part, and described solid wall partly is superimposed upon in described cold air pipe import and the muffler outlet and prevents that chip from entering in the above-mentioned pipeline.
15, foodstuffs refrigerator as claimed in claim 1, it is characterized in that, described container is sealed by a removable cap, and further comprise an external environment air feed line that is communicated with described recirculation line, described air feed line comprises a meter so that allow the outside air of specified amount to flow into.
16, foodstuffs refrigerator as claimed in claim 15 is characterized in that, described meter comprises a narrow tube, and its downstream at described fan links to each other with described recirculation line.
17, foodstuffs refrigerator as claimed in claim 15 is characterized in that, described meter can be regulated so that change the flow that allows to enter the outside air in the container.
18, foodstuffs refrigerator as claimed in claim 5 is characterized in that, comprises an accesary foods dish on the central tower that removably is supported on vessel bottom wall top.
19, foodstuffs refrigerator as claimed in claim 5, it is characterized in that, described central tower successively decreases gradually along the direction diameter that makes progress, and further comprise an accesary foods dish, described food disc has a center through hole, it is suitable for holding described central tower, so that removably be supported between the upper end of pedestal and central tower.
20, foodstuffs refrigerator as claimed in claim 1 is characterized in that, comprises an insulation casing, and it removably inserts in the described container, and its shape matches with described closed side wall.
21, foodstuffs refrigerator as claimed in claim 20 is characterized in that, comprises the removable reservoir lid of a thermal insulation.
22, foodstuffs refrigerator as claimed in claim 1, it is characterized in that, comprise a spacer member that is used for container is separated into the different temperatures zone that is positioned at container, this spacer member also is used to change air flowing so that obtain different cooling levels in described zone.
23, foodstuffs refrigerator as claimed in claim 1, it is characterized in that, further comprise a power supply, an electronic controller, described electronic controller makes the user can regulate the electric current by power delivery, so that make by the direction of heat flow of described thermoelectric components opposite, thereby described container in food can be incubated selectively and cool off.
24, foodstuffs refrigerator as claimed in claim 23 is characterized in that, described electronic controller comprises a thermostat, and it makes the user that the selection rank of insulation and refrigeration can be set.
25, a kind of foodstuffs refrigerator comprises:
A housing, a refrigerating plant is arranged in housing, described refrigerating plant comprises a Peltier effect thermoelectric components that is placed between heat dump and the relative radiator, described housing has been determined a cooling pipe system that is open upwards, described cooling pipe system comprises a cold air supply pipe, described cold air supply pipe carries out heat exchange by a recirculation line and a muffler, described recirculation line comprise described heat dump and one by one cool air circulation fan so that make air be recycled to described cold air supply pipe from described muffler;
Described cold air supply pipe extends along the outer circle wall of the housing with circumferential edges, and muffler is arranged in the described cold air supply pipe and by a continuous partition wall and separates with described cold air supply pipe;
Described pipe-line system further comprises a cold air pipe import and a muffler outlet, and described recirculation line is communicated with described import and outlet; And
A food containers, it is supported on the upper periphery of housing, described container comprises the top closed side wall and the lower base wall that is positioned at the approximate horizontal of described circumferential edges that are positioned at described circumferential edges top, described diapire and described recirculation line are spaced apart and constitute one of described pipe-line system sealing roof, are formed with the inlet hole that some and described cold air supply pipe communicates and some and described muffler communicates and along the outlet opening of described lower base wall center arrangement on described diapire; Described fan is positioned at the described base below the described lower base wall.
26, foodstuffs refrigerator as claimed in claim 25 is characterized in that, further comprises:
The base for supporting of a housing, it determines an ambient, cool air chamber that is positioned at the bottom and separates with described cooling pipe system; And
A radiator fan, it is placed in described and the air chamber that radiator is communicated with, and between ambient air inlet on the wall of described chamber and surrounding air outlet so that ambient, cool air is blowed to radiator.
27, foodstuffs refrigerator as claimed in claim 25, it is characterized in that, described cold air supply pipe and described muffler have a public bottom closure wall, it has constituted a partition wall with the recirculation line that is positioned at its below, described cold air pipe import is positioned on the described public partition wall and adjoins the outer circle wall of housing, and described muffler outlet is formed on the substantial middle position of described public partition wall.
CNB01800346XA 2000-03-14 2001-03-12 Fruit chiller Expired - Fee Related CN1243938C (en)

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DE60106347T2 (en) 2005-10-20
JP2003527175A (en) 2003-09-16
KR100560574B1 (en) 2006-03-14
KR20020013883A (en) 2002-02-21
CA2373245A1 (en) 2001-09-20
CN1363025A (en) 2002-08-07
ES2228833T3 (en) 2005-04-16
US6295820B1 (en) 2001-10-02
EP1179163A1 (en) 2002-02-13
CA2373245C (en) 2007-01-09
DE60106347D1 (en) 2004-11-18
ATE279698T1 (en) 2004-10-15
HK1043824A1 (en) 2002-09-27
BR0104959B1 (en) 2011-04-05
BR0104959A (en) 2002-02-13
HK1043824B (en) 2005-04-01
NZ515058A (en) 2003-11-28
WO2001069145A1 (en) 2001-09-20
AU781467B2 (en) 2005-05-26

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